Ciudad Autónoma de Buenos Aires

Ley de Acceso a la Información Pública de la Ciudad Autónoma de Buenos Aires

Ley N° 104 (1998), actualizada por Ley 5784/2016

Open Records Transparency: 45/100 (moderate) Transparency Score: 45/100

Response Timeline

Initial Response
15 days
Extension
10 days

15 días hábiles (business days). Extensible por 10 días hábiles adicionales. English: 15 business days, extendable by 10 additional business days. Ley 104 was enacted 1998 and significantly updated by Ley 5784/2016, which added active transparency obligations and created oversight bodies.

Exemptions

  • Información sobre seguridad, defensa o política exterior (national security, defence, foreign policy)
  • Datos personales de carácter sensible (sensitive personal data)
  • Secretos industriales, comerciales, financieros (trade secrets)
  • Notas internas, opiniones, recomendaciones durante la toma de decisiones (deliberative material)
  • Información que pueda dañar investigaciones penales (law enforcement)

Ley 5784/2016 adopted an 'open by default' principle. Exceptions are interpreted narrowly; the burden of proof rests on the withholding authority.

Appeal Process

1

1

Acción de amparo ante el fuero contencioso administrativo (judicial review in administrative courts)

CABA does not have a specialized information commissioner; appeals go directly to the administrative courts (fuero CAyT).

Sources & References

  • Full text of law →
  • Primary source →
  • https://www.oas.org/es/sla/ddi/acceso_informacion_base_dc_leyes_pais_A.asp
  • https://www.cippec.org/proyecto/derecho-de-acceso-a-la-informacion-publica-y-transparencia-activa-en-caba/